Frasier and Niles attempt to go into practice together, leading to one disaster after another. This episode begins in a psychiatrist's office with the Crane boys detailing their escapade, and goes on to tell the story through flashbacks.

Frasier hires a contractor to buff a small scratch out of the floor on the day he is to host a wine tasting, only to find everything spiral into a major catastrophe, as problems pile onto each other. Meanwhile, Daphne can't take her eyes off the handsome contractor.

Kate and Frasier agree to slow their relationship down. All of Seattle hears about it when they lose their resolve and make out in the radio booth. Seattle's abuzz as they try to figure out the identity of "Dirty Girl."

Kate and Frasier agree to slow their relationship down. All of Seattle hears about it when they lose their resolve and make out in the radio booth. Seattle's abuzz as they try to figure out the identity of "Dirty Girl."

Frederick's Christmas visit to Seattle appears to be a disaster after the shipping company sends a Barbie and a Homemade Casserole set instead of a "Living Brain". Frasier heads to the mall for some last-minute shopping.

Frasier realizes the true depth of his feelings for Kate, only to find out that she's moving to Chicago the next day. The night culminates with the two having a long discussion in the airport lounge, finding out more about each other than they ever wanted to know.

Frasier's old love, Diane Chambers, comes to Seattle for the grand opening of her play about the "losers" at Cheers and their hopeless obsession with "Mary Anne". Frasier gets roped into financing the whole thing and narrowly avoids another fling with Diane.

The police issue a warrant for Maris's arrest after she fails to pay a stack of unpaid parking tickets. To help their reconciliation, Niles goes to a local "fixer," Jerome Belasco. Jerome solves the problem, but wants a favor in return: Frasier must advise Jerome's fiancée, Brandy, to marry him right away.

Frasier suggests that everyone should take a "leap," or go outside their comfort zone, to celebrate Leap Year. For his leap, Frasier decides to sing an Italian aria instead of his usual "Buttons and Bows" for a benefit.

Niles and Frasier face off when they take opposite sides in a courtroom hearing over an old man's sanity. Niles believes Harlow Safford to be as crazy as a loon, while Frasier interprets his quirks as eccentricities.

KACL is sold to Big Willy Boone, who happens to be engaged to Frasier's agent, Bebe. Big Willy demands that Bebe break her smoking habit, and enlists Frasier's help to make sure she gets it done in three days, or else.

Roz dates one of Niles' patients, a compulsive womanizer. Frasier wants to warn Roz, but can't find away around his ethical obligation for confidentiality. Roz mistakes his attempts to warn her for secret yearnings.

Eleven of the twelve members of a focus group think The Frasier Crane Show is perfect. Frasier obsesses about the one man who disagrees, a newspaper stand owner, and in the process inadvertently ruins the man's life.

Roz gives Frasier a copy of his first broadcast as a present to celebrate his three-year anniversary at KACL. As he listens, Frasier remembers the events as he first arrived in Seattle and reunited with Niles and Martin.